mirror of https://gitee.com/bigwinds/arangodb
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Simon Grätzer
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGODB_PREGEL_FEATURE_H
|
|
#define ARANGODB_PREGEL_FEATURE_H 1
|
|
|
|
#include <cstdint>
|
|
#include "ApplicationFeatures/ApplicationFeature.h"
|
|
#include "Basics/Common.h"
|
|
#include "Basics/Mutex.h"
|
|
|
|
struct TRI_vocbase_t;
|
|
namespace arangodb {
|
|
namespace pregel {
|
|
|
|
class Conductor;
|
|
class IWorker;
|
|
class RecoveryManager;
|
|
|
|
class PregelFeature final : public application_features::ApplicationFeature {
|
|
public:
|
|
explicit PregelFeature(application_features::ApplicationServer* server);
|
|
~PregelFeature();
|
|
|
|
static PregelFeature* instance();
|
|
static size_t availableParallelism();
|
|
|
|
void start() override final;
|
|
void beginShutdown() override final;
|
|
|
|
uint64_t createExecutionNumber();
|
|
void addConductor(Conductor* const exec, uint64_t executionNumber);
|
|
std::shared_ptr<Conductor> conductor(uint64_t executionNumber);
|
|
|
|
void addWorker(IWorker* const worker, uint64_t executionNumber);
|
|
std::shared_ptr<IWorker> worker(uint64_t executionNumber);
|
|
|
|
void cleanupConductor(uint64_t executionNumber);
|
|
void cleanupWorker(uint64_t executionNumber);
|
|
void cleanupAll();
|
|
|
|
// ThreadPool* threadPool() { return _threadPool.get(); }
|
|
RecoveryManager* recoveryManager() {
|
|
if (_recoveryManager) {
|
|
return _recoveryManager.get();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
static void handleConductorRequest(std::string const& path,
|
|
VPackSlice const& body,
|
|
VPackBuilder& outResponse);
|
|
static void handleWorkerRequest(TRI_vocbase_t* vocbase,
|
|
std::string const& path,
|
|
VPackSlice const& body,
|
|
VPackBuilder& outBuilder);
|
|
|
|
private:
|
|
Mutex _mutex;
|
|
std::unique_ptr<RecoveryManager> _recoveryManager;
|
|
std::unordered_map<uint64_t, std::shared_ptr<Conductor>> _conductors;
|
|
std::unordered_map<uint64_t, std::shared_ptr<IWorker>> _workers;
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|